/Engine/Source/Editor/SubobjectDataInterface/Public/SubobjectDataSubsystem.h
Gather all subobjects that the given Blueprint context has. Populates an array of handles that will have the given context and all it's subobjects.
void K2_GatherSubobjectDataForBlueprint ( [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Context, [TArray](API\Runtime\Core\Containers\TArray)< [FSubobjectDataHandle](API\Editor\SubobjectDataInterface\FSubobjectDataHandle) > & OutArray )